Telos Zephyr Digital Network Audio Transceiver

Very good condition Telos Zephyr Digital Network Audio Transceiver.

Used in a smoke free professional recording studio.

Technical Details

General 

• Full duplex, high-fidelity codec using MPEG-2 AAC, MPEG-4 AAC-LD MPEG-2 Layer-3, MPEG-2 Layer-2, AACPlus, and G.722; fully compliant with international standards.

 Frequency Response 

• 20 - 20kHz @ 48kHz fs (+0/-1dB, swept sine tone procedure)
• AAC all modes except Stereo 64: 20-19,800Hz at 48kHz fs., 20-15,000Hz at 32kHz fs.
• AAC Stereo 64: 20-10,000Hz at 48kHz fs., 20-7,000Hz at 32kHz fs
• AACPlus mono (for use reception from the Xport): 20-15,000 Hz 48kHz fs
• Layer 3 all modes: 20-16,000Hz at 48kHz fs., 20-15,000Hz at 32kHz fs
• Layer 2 mono, dual mono: 20-7.8kHz/9.8kHz
• Layer 2 mono 20-8.6 kHz at 24 kHz fs.
• Layer 2 joint stereo: 20-20,000Hz at 48kHz fs. 20-15 kHz at 32kHz fs
• G.722: 20-7,500Hz.

THD+N

• Audio loopback, 48kHz fs, analog I/O, input at 1kHz +20dBu: 0.004% 

Dynamic Range 

• A Weighting, AAC, Layer-3 or 2 end-to-end: 101dB typical 

Send Input

• Active balanced with RF protection.

User manual: